newlayerdlg.~pas

delphi 和mapx联合开发的例程 实现mapx的相应功能

unit NewLayerDlg;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, Buttons, StdCtrls, ExtCtrls, ComCtrls;

type
  TNewLayerFrm = class(TForm)
    Panel1: TPanel;
    Panel2: TPanel;
    RadioGroup1: TRadioGroup;
    RadioButton1: TRadioButton;
    RadioButton2: TRadioButton;
    Panel3: TPanel;
    BitBtn1: TBitBtn;
    BitBtn2: TBitBtn;
    Label1: TLabel;
    Edit1: TEdit;
    SpeedButton1: TSpeedButton;
    Label2: TLabel;
    Edit2: TEdit;
    Label3: TLabel;
    Edit3: TEdit;
    UpDown1: TUpDown;
    GroupBox1: TGroupBox;
    ListBox1: TListBox;
    Label4: TLabel;
    Label5: TLabel;
    Label6: TLabel;
    Label7: TLabel;
    Edit4: TEdit;
    Label8: TLabel;
    ComboBox1: TComboBox;
    Label9: TLabel;
    Edit5: TEdit;
    SpeedButton2: TSpeedButton;
    SpeedButton3: TSpeedButton;
    procedure FormClose(Sender: TObject; var Action: TCloseAction);
    procedure RadioButton1Click(Sender: TObject);
    procedure RadioButton2Click(Sender: TObject);
    procedure BitBtn1Click(Sender: TObject);
  private
    { Private declarations }
    Handle: THandle;
  public
    { Public declarations }
    procedure FormShow(aHandle: THandle);
  end;

var
  NewLayerFrm: TNewLayerFrm;

implementation

uses uMsgConst;

{$R *.dfm}

{ TNewLayerFrm }

procedure TNewLayerFrm.FormShow(aHandle: THandle);
begin
  NewLayerFrm:= TNewLayerFrm.Create(nil);
  NewLayerFrm.Handle:= aHandle;
  with NewLayerFrm do
  begin
    Panel2.Height:= 1;
    Panel3.Height:= Panel3.Height+40;
    Bitbtn1.Top:= Bitbtn1.Top+20;
    Bitbtn2.Top:= Bitbtn2.Top+20;
    ShowModal;
  end;
end;

procedure TNewLayerFrm.FormClose(Sender: TObject;
  var Action: TCloseAction);
begin
  Action:= caFree;
end;

procedure TNewLayerFrm.RadioButton1Click(Sender: TObject);
begin
  if RadioButton1.Checked then
  begin
    Panel2.Visible:= true;
    Panel2.Height:= 40;
    Panel3.Height:= Panel3.Height-40;
    Bitbtn1.Top:= Bitbtn1.Top-20;
    Bitbtn2.Top:= Bitbtn2.Top-20;
  end;
end;

procedure TNewLayerFrm.RadioButton2Click(Sender: TObject);
begin
  if RadioButton2.Checked then
  begin
    Panel2.Visible:= False;
    Panel2.Height:= 1;
    Panel3.Height:= Panel3.Height+40;
    Bitbtn1.Top:= Bitbtn1.Top+20;
    Bitbtn2.Top:= Bitbtn2.Top+20;
  end;
end;

procedure TNewLayerFrm.BitBtn1Click(Sender: TObject);
var
  AMessage: TMessage;
begin
  if RadioButton1.Checked then
    if Edit1.Text = '' then
    begin
      Application.MessageBox('请选择保存路径！','提示信息！',mb_Ok);
      Self.ModalResult:= mrNone;
    end;
  if Edit1.Text = '' then
  begin
    Application.MessageBox('请输入图层名称！','提示信息！',mb_Ok);
    Self.ModalResult:= mrNone;
  end;
  if ListBox1.Items.Count = 0 then
  begin
    Application.MessageBox('请创建字段！','提示信息！',mb_Ok);
    Self.ModalResult:= mrNone;
  end;

  if Self.ModalResult = mrOK then
  begin
    AMessage.Msg:= CREATE_NEW_LAYER_MSG;   // 信息齐全了，让地图去创建
    SendMessage(Handle,AMessage.Msg,0,0);
  end;
end;

end.